Abstract: A vehicle refrigeration system includes a vehicle power device, and a vehicle refrigeration device coupled to the vehicle power device. The vehicle refrigeration device includes an evaporator configured to provide cooling based upon refrigerant fluid, a condenser configured to process the refrigerant fluid downstream from the evaporator, and a compressor configured to operate based upon a combined voltage, and transmit the refrigerant fluid from the evaporator to the condenser.

Abstract: A vehicle power system may include a vehicle power source configured to output a first voltage, and batteries, each battery configured to provide a second voltage. The vehicle power system may also include switches coupled between the batteries, and a controller coupled to the switches. The controller may be configured to place the switches in a first mode of operation so that the batteries are coupled in parallel and receive a charge from the vehicle power source, and place the switches in a second mode of operation so that the batteries are coupled in series and provide a combined voltage greater than the first voltage and the second voltage, the combined voltage driving a load.